init

Telegram/ThirdParty/range-v3/include/range/v3/action/drop_while.hpp

@@ -0,0 +1,64 @@
+/// \file
+// Range v3 library
+//
+//  Copyright Eric Niebler 2013-present
+//
+//  Use, modification and distribution is subject to the
+//  Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+// Project home: https://github.com/ericniebler/range-v3
+//
+
+#ifndef RANGES_V3_ACTION_DROP_WHILE_HPP
+#define RANGES_V3_ACTION_DROP_WHILE_HPP
+
+#include <range/v3/range_fwd.hpp>
+
+#include <range/v3/action/action.hpp>
+#include <range/v3/action/erase.hpp>
+#include <range/v3/algorithm/find_if_not.hpp>
+#include <range/v3/functional/bind_back.hpp>
+#include <range/v3/iterator/concepts.hpp>
+#include <range/v3/iterator/traits.hpp>
+#include <range/v3/utility/static_const.hpp>
+
+#include <range/v3/detail/prologue.hpp>
+
+namespace ranges
+{
+    /// \addtogroup group-actions
+    /// @{
+    namespace actions
+    {
+        struct drop_while_fn
+        {
+            template(typename Fun)(
+                requires (!range<Fun>))
+            constexpr auto operator()(Fun fun) const
+            {
+                return make_action_closure(bind_back(drop_while_fn{}, std::move(fun)));
+            }
+
+            template(typename Rng, typename Fun)(
+                requires forward_range<Rng> AND
+                    indirect_unary_predicate<Fun, iterator_t<Rng>> AND
+                        erasable_range<Rng &, iterator_t<Rng>, iterator_t<Rng>>)
+            Rng operator()(Rng && rng, Fun fun) const
+            {
+                ranges::actions::erase(
+                    rng, begin(rng), find_if_not(begin(rng), end(rng), std::move(fun)));
+                return static_cast<Rng &&>(rng);
+            }
+        };
+
+        /// \relates actions::drop_while_fn
+        RANGES_INLINE_VARIABLE(drop_while_fn, drop_while)
+    } // namespace actions
+    /// @}
+} // namespace ranges
+
+#include <range/v3/detail/epilogue.hpp>
+
+#endif